Results 11 to 20 of about 225,791 (217)

Dissolved Organic Matter and Activities of Extracellular Enzymes in Two Lagoons (South China Sea) Affected by Aquaculture

open access: yesFrontiers in Marine Science, 2022
Xincun Lagoon and Li’an Lagoon are typical tropical lagoons containing unique seagrass meadow and mangrove forest ecosystems. However, nutrient pollution from human activities threatens ecosystem health in these areas.
Linjian Ou   +6 more
doaj   +1 more source

Ocean Literacy to Mainstream Ecosystem Services Concept in Formal and Informal Education: The Example of Coastal Ecosystems of Southern Portugal

open access: yesFrontiers in Marine Science, 2019
The concept of ecosystem services (ES) emerges as strategic to explain the influences that the ocean, and in particular coastal ecosystems, have on us and how we influence them back.
Helena Barracosa   +6 more
doaj   +1 more source

Alkaloids in Marine Algae [PDF]

open access: yesMarine Drugs, 2010
This paper presents the alkaloids found in green, brown and red marine algae. Algal chemistry has interested many researchers in order to develop new drugs, as algae include compounds with functional groups which are characteristic from this particular source.
Sezik, Ekrem   +2 more
openaire   +4 more sources

Short Term CO2 Enrichment Increases Carbon Sequestration of Air-Exposed Intertidal Communities of a Coastal Lagoon

open access: yesFrontiers in Marine Science, 2018
In situ production responses of air-exposed intertidal communities under CO2 enrichment are reported here for the first time. We assessed the short-term effects of CO2 on the light responses of the net community production (NCP) and community respiration
Amrit K. Mishra   +3 more
doaj   +1 more source

Preparation and Characterization of an Anticancer Peptide from Oriental Tonic Food Enteromorpha prolifera

open access: yesFoods, 2022
Enteromorpha prolifera (E. prolifera), a tonic food in East Asian countries, is frequently studied for their pharmaceutical and healthcare applications. However, limited research has focused on antitumor peptides derived from this edible seaweed. In this
Xiaosi Lin   +5 more
doaj   +1 more source

Review: Marine natural products [PDF]

open access: yes, 2005
This review covers the literature published in 2003 for marine natural products, with 619 citations (413 for the period January to December 2003) referring to compounds isolated from marine microorganisms and phytoplankton, green algae, brown algae, red ...
Blunt, John W.   +4 more
core   +3 more sources

Calculating the global contribution of coralline algae to carbon burial [PDF]

open access: yes, 2015
The ongoing increase in anthropogenic carbon dioxide (CO2) emissions is changing the global marine environment and is causing warming and acidification of the oceans.
Kamenos, N. A., van der Heijden, L. H.
core   +1 more source

Effects of pharmaceutical wastes on growth of microalgae [PDF]

open access: yes, 1970
The purpose of this work was to assay samples of waste material from Puerto Rican pharmaceutical industries for inhibition of growth of algae. Two samples (noted as I and II) supplied to us were tested for toxicity to six microalgae.
Batterton, John   +1 more
core   +1 more source

Changes in aliphatic hydrocarbon tracer composition during the digestive process of the marine worm Nereis virens. Preliminary results [PDF]

open access: yes, 1998
In the laboratory, marine worms were fed with a mixture of algae and several aliphatic hydrocarbons for 15 days. By comparing hydrocarbons in food and in faeces, it appeared that the worm's digestive process led to changes in the distribution of the n ...
Atlas   +18 more
core   +4 more sources

Local Victory: Assessing Interspecific Competition in Seagrass From a Trait-Based Perspective

open access: yesFrontiers in Plant Science, 2021
Tropical seagrass meadows are formed by an array of seagrass species that share the same space. Species sharing the same plot are competing for resources, namely light and inorganic nutrients, which results in the capacity of some species to preempt ...
Agustín Moreira-Saporiti   +6 more
doaj   +1 more source

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